Cisco Nexus connectivity between 1G and 10G interfaces

Hello, I have two Cisco Nexus 5500 series switches that I am using as the core network for a new environment. I have a couple of physical servers connected to the Nexus via 1GB SFP modules. They are on vlan 5, subnet 10.35.5.x/24 and I have an Ision x200 NAS storage system (4 node cluster) connected via their 10Gig Ethernet interfaces to the pair of Nexus via fiber optic patch cables. The storage interfaces are on vlan 10 , subnet 10.35.10.x/24.

The issue I have is connectivity between the 1Gig and 10Gig interfaces. I cannot ping any of the 10Gig interfaces (vlan 10) from the servers on the 1Gig interfaces (vlan 5). If I place a server on vlan 10, the server can ping and connect to the storage. I know the config and routing are working correctly between the vlans. I have placed a server on each vlan and did not have any connectivity problems. The issue seems to involve the use of the 10Gig interfaces.

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